Question

Factorise the following expressions:-​

Answer 1

Step-by-step explanation:

here is your answer ☝️☝️☝️

Answer 2

Answer:

Here is your answer,

${(4x - 5y)}^{2} - 16 {z}^{2} \\ = {(4x - 5y)}^{2} - {(4z)}^{2} \\ = (4x - 5y + 4z)(4x - 5y - 4z)$

so this is your answer. According the formula of

a²-b²=(a+b)(a-b)